What is a real number?

Any number with a decimal point

How does a computer store real numbers?

Using floating point representation.

Computers can't store real numbers.

A number system made up of 1s and 0s.

A number system made up of 0 to 9.

A number system made up of 0 to F.

What is resolution in a bitmap?

The number of pixels (across and down)

What is bit depth in a bitmap?

The number of bits used to store the colours.

How does a computer store bitmaps?

As blocks of colour known as pixels.

By describing the graphic in a special language.

In ASCII what do we call the characters from space (ASCII 32) to ~ (ASCII 126) represent?

printable characters for American English

In ASCII what do the final 128 characters (ASCII 128-255) represent?

extended characters (required for European languages)

What is an input device?

Something that lets us put data into a computer.

Something that lets us get data out of a computer.

Something that lets us store computer data.

What is an output device?

Something that lets us get data out of a computer.

Something that lets us put data into a computer.

Something that lets us store computer data.

What is a storage device?

Something that lets us store computer data.

Something that lets us put data into a computer.

Something that lets us get data out of a computer.

In a computer, what is the Central Processing Unit?

The chip that carries out all the processes.

The working memory of a computer that holds all the programs and data while the computer is switched on.

The wires that carry data round the computer.

The place programs and data are stored while the computer is OFF.

In a computer, what is RAM?

The working memory of a computer that holds all the programs and data while the computer is switched on.

The chip that carries out all the processes.

The wires that carry data round the computer.

The place programs and data are stored while the computer is OFF.

N5 Computer Systems Set A

10th Grade

•

110 Qs

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N5 Computer Systems Set A

Quiz

•

Computers

•

10th Grade

•

Practice Problem

•

Medium

Elizabeth Dimbleby

Used 3+ times

FREE Resource

110 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the only symbols you can use in binary?

0 and 1

0, 1, 2, 3, 4, 5, 6, 7, 8, 9

1, 2, 4, 8, 16

1 and 2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the denary number system?

Our usual base 10 number system

A special number system for computers

It counts the number of dens

De Nary's number system

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: The binary number for a capital 'Z' is the same as the binary number for a lower-case 'z'?

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of data does a computer represent with binary?

everything

numbers

letters

pictures

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the binary number 0100 as a denary number?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the binary number 00111111 as a denary number?

127

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many bytes are needed store the word "Goodbye" in ASCII?

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N5 Computer Systems Set A

110 questions

What are the only symbols you can use in binary?

What is the denary number system?

True or False: The binary number for a capital 'Z' is the same as the binary number for a lower-case 'z'?

What kind of data does a computer represent with binary?

What is the binary number 0100 as a denary number?

What is the binary number 00111111 as a denary number?

How many bytes are needed store the word "Goodbye" in ASCII?

In 0.432 x 10^5 what is the mantissa?

In 0.432 x 10^5 what is the exponent?

What is the number 40 as a binary number?

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